import { KafkaEventEmitterFunction } from '../interfaces';
export declare type KafkaEventEmitterMetadata = {
    topics: string | string[];
    target: any;
    methodName: string | symbol;
    callback: KafkaEventEmitterFunction;
};
export declare const KAFKA_EVENT_EMITTER = "KAFKA_EVENT_EMITTER";
export declare const KafkaEventEmitter: (topics: string | string[]) => MethodDecorator;